大约有 48,000 项符合查询结果（耗时：0.0569秒） [XML]
argparse module How to add option without any argument?
...
As @Felix Kling suggested use action='store_true':
>>> from argparse import ArgumentParser
>>> p = ArgumentParser()
>>> _ = p.add_argument('-f', '--foo', action='store_true')
>>> args = p.parse_args()
>>> args.foo
False...
How to show current year in view?
...
<%= Time.current.year %>
http://pleac.sourceforge.net/pleac_ruby/datesandtimes.html
share
|
improve this answer
|
follow
|
...
JavaScript - get the first day of the week from current date
I need the fastest way to get the first day of the week. For example: today is the 11th of November, and a Thursday; and I want the first day of this week, which is the 8th of November, and a Monday. I need the fastest method for MongoDB map function, any ideas?
...
Specify an SSH key for git push for a given domain
...s I mostly use my own private key, I have that defined in ~/.ssh/config for git@git.company.com . Does anyone know of a way to override the key that is used for a single git invocation?
...
How to initialize all members of an array to the same value in Swift?
... I want to initialize all members to the same value (i.e. it could be zero or some other value). What would be the best approach?
...
Organizing a multiple-file Go project [closed]
...tion is related to this one , but two years is a very long time in Go history.
7 Answers
...
How can I use Bash syntax in Makefile targets?
... Bash syntax very helpful, e.g. process substitution like in diff <(sort file1) <(sort file2) .
6 Answers
...
Why doesn't requests.get() return? What is the default timeout that requests.get() uses?
...
I think you're right. None means infinite (or "wait until the connection is close"). If I pass timeout myself, it returns!
– Nawaz
Jul 22 '13 at 8:00
...
Passing multiple error classes to ruby's rescue clause in a DRY fashion
...
You can use an array with the splat operator *.
EXCEPTIONS = [FooException, BarException]
begin
a = rand
if a > 0.5
raise FooException
else
raise BarException
end
rescue *EXCEPTIONS
puts "rescued!"
end
If you are going to use a constant for t...
Converting stream of int's to char's in java
...o use. You can then either pass an array of bytes into the String constructor and provide a Charset, or use InputStreamReader with the appropriate Charset instead.
Simply casting from int to char only works if you want ISO-8859-1, if you're reading bytes from a stream directly.
EDIT: If you are al...